______ the agreement was reached without conflict.

Last night Mr. Crook didn’t come back at the usual time. ______，he met some friends and stayed out until midnight.

.--- Robert, you didn’t travel by train?--- I was going to, but then I decided to go by car______.

 — It’s getting dark, but Mr. Chen is till at his office. — No surprise. Who else can _______ he does.

As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.